Kestrix Pack is a free archive tool for macOS built on the official 7-Zip command-line core (7zz). It extracts 24 formats including 7z, rar, zip, tar, and iso, plus tar.gz, tar.bz2, and tar.xz. Compress to 6 formats with AES-256 password protection. Three-language interface (English, Simplified Chinese, Traditional Chinese). Built-in file manager with sort, copy, move, rename. Native macOS Services integration for Finder right-click menu. Lightweight 4.6 MB download, Apple Silicon native.
